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杂文Solar Sail Experiment Demonstrates ‘Flight by Light’
Amajordemonstrationinsolarsailinghasbeendeclaredasuccessbytheorganizationthatlaunchedtheexperiment.TheU.S.-basedPlanetarySocietysaidthisweekitsLightSail2spacecraftsuccessfullyusedsunlighttoorbitEarth.……